Watford's side will be very different to the one that started against QPR on Saturday, but Stevenage will also not be at full strength on Tuesday evening. There is a big difference in terms of quality between the two squads, and we are expecting the visitors to comfortably progress to the second round of the competition.
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Data Analysis
Our analysis of all available data, including recent performances and player stats up until an hour before kickoff, suggested the most likely outcome of this match was a Stevenage win with a probability of 40.75%. A win for Watford had a probability of 32.5% and a draw had a probability of 26.7%.
The most likely scoreline for a Stevenage win was 1-0 with a probability of 10.83%. The next most likely scorelines for that outcome were 2-1 (8.56%) and 2-0 (7.3%). The likeliest Watford win was 0-1 (9.43%), while for a drawn scoreline it was 1-1 (12.71%).